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Prophase 2 - Nuclear Envelope breaks down, spindle fibers form
Metaphase 2 -Chromosomes line up in center and spindle fibers attach
Anaphase 2 - sister chromatids are pulled apart and move to opposite ends of cell
Telphase 2 - Spindle fibers disappear, nuclear envelope reforms, cell membrane pinches and two cells form, a total of 4 haploid cells

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body cells such as skin, nerve or bone that have the full number of chromosomes

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sex cells, such as egg and sperm that have half the number of chromsomes

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When homologous chromosomes exchange portions of their chromatids

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a pair of similar chromosomes, one coming from the mother and another from the father

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Prophase 1 - nuclear envelope breaks down, chromsome pair with homologous partner, and crossing over occurs
Metaphase 1 - homologous chromosomes line up in pairs across middle, spindle fibers attach to centomeres
Anaphase 1 - chromsome pairs seprate and move to opposite ends of cell
Telephase 1 - nuclear membrane forms, cell membrane pinches and two haploid cells are formed